<template>
  <div :class="{ hidden: hidden }" class="pagination-container">
    <el-pagination
      :background="background"
      :current-page.sync="currentPage"
      :page-size.sync="pageSize"
      :layout="layout"
      :page-sizes="pageSizes"
      :total="total"
      v-bind="$attrs"
      @size-change="handleSizeChange"
      @current-change="handleCurrentChange"
    />
  </div>
</template>

<script>
export default {
  name: 'Pagination',
  props: {
    total: {
      required: true,
      type: Number,
    },

    page: {
      type: Number,
      default: 1,
    },

    limit: {
      type: Number,
      default: 20,
    },

    pageSizes: {
      type: Array,
      default() {
        return [5, 10, 20, 30, 50];
      },
    },

    layout: {
      type: String,
      default: 'total, sizes, prev, pager, next, jumper',
    },

    background: {
      type: Boolean,
      default: true,
    },

    autoScroll: {
      type: Boolean,
      default: true,
    },

    hidden: {
      type: Boolean,
      default: false,
    },
  },

  computed: {
    currentPage: {
      get() {
        return this.page;
      },
      set(val) {
        this.$emit('update:page', val);
      },
    },
    pageSize: {
      get() {
        return this.limit;
      },
      set(val) {
        this.$emit('update:limit', val);
      },
    },
  },

  methods: {
    handleSizeChange(val) {
      this.$emit('pagination', { page: this.currentPage, limit: val });
    },

    handleCurrentChange(val) {
      this.$emit('pagination', { page: val, limit: this.pageSize });
    },
  },
};
</script>

<style lang="scss" scoped>
.pagination-container {
  background: #fff;
  /* padding: 32px 16px 16px 0; */
  /* margin-top: 20px; */
  /* 统一由table组件来控制上下距离 */
}
.pagination-container.hidden {
  display: none;
}
</style>
